203141091 has 8 divisors (see below), whose sum is σ = 272038480. Its totient is φ = 134835552.

The previous prime is 203141053. The next prime is 203141093. The reversal of 203141091 is 190141302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203141091 - 2⁷ = 203140963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203141093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147160 + ... + 148533.

It is an arithmetic number, because the mean of its divisors is an integer number (34004810).

Almost surely, 2^203141091 is an apocalyptic number.

203141091 is a deficient number, since it is larger than the sum of its proper divisors (68897389).

203141091 is a wasteful number, since it uses less digits than its factorization.

203141091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295925.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 203141091 is about 14252.7573121835. The cubic root of 203141091 is about 587.8491937055.

Adding to 203141091 its reverse (190141302), we get a palindrome (393282393).

The spelling of 203141091 in words is "two hundred three million, one hundred forty-one thousand, ninety-one".